I can jail you can jail she can jail we can jail you can jail they can jail
V-ing form
I can be jailing you can be jailing she can be jailing we can be jailing you can be jailing they can be jailing
Perfect
I can have jailed you can have jailed she can have jailed we can have jailed you can have jailed they can have jailed
V-ing perfect
I can have been jailing you can have been jailing she can have been jailing we can have been jailing you can have been jailing they can have been jailing
Negation
Simple form
I can't jail you can't jail she can't jail we can't jail you can't jail they can't jail
V-ing form
I can't be jailing you can't be jailing she can't be jailing we can't be jailing you can't be jailing they can't be jailing
Perfect
I can't have jailed you can't have jailed she can't have jailed we can't have jailed you can't have jailed they can't have jailed
V-ing perfect
I can't have been jailing you can't have been jailing she can't have been jailing we can't have been jailing you can't have been jailing they can't have been jailing
Interrogative form
Simple form
can I jail? can you jail? can she jail? can we jail? can you jail? can they jail?
V-ing form
can I be jailing? can you be jailing? can she be jailing? can we be jailing? can you be jailing? can they be jailing?
Perfect
can I have jailed? can you have jailed? can she have jailed? can we have jailed? can you have jailed? can they have jailed?
V-ing perfect
can I have been jailing? can you have been jailing? can she have been jailing? can we have been jailing? can you have been jailing? can they have been jailing?
Interro-negative form
Simple form
can't I jail? can't you jail? can't she jail? can't we jail? can't you jail? can't they jail?
V-ing form
can't I be jailing? can't you be jailing? can't she be jailing? can't we be jailing? can't you be jailing? can't they be jailing?
Perfect
can't I have jailed? can't you have jailed? can't she have jailed? can't we have jailed? can't you have jailed? can't they have jailed?
V-ing perfect
can't I have been jailing? can't you have been jailing? can't she have been jailing? can't we have been jailing? can't you have been jailing? can't they have been jailing?